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Finding the Fourth Proportional to 160,054.65, 220,879.71 and 88,439.18

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Solution

The fourth proportional to 160,054.65, 220,879.71 and 88,439.18 is: 122,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,054.65 : 220,879.71 = 88,439.18 : x
  2. Step 2: Convert to fraction form
    160,054.65/220,879.71 = 88,439.18/x
  3. Step 3: Cross multiply
    160,054.65x = 220,879.71 × 88,439.18
  4. Step 4: Simplify right side
    160,054.65x = 19,534,419,326.64
  5. Step 5: Solve for x
    x = 19,534,419,326.64/160,054.65
  6. Step 6: Final answer
    x = 122,048.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.